Long-range magnetic ordering in Ba2CoS3: A neutron diffraction study |
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| Authors: | DA Headspith MG Francesconi |
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| Institution: | a Department of Chemistry, University of Hull, Cottingham Road, Hull HU6 7RX, UK
b Inorganic Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QR, UK |
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| Abstract: | Neutron powder diffraction has been used to determine the magnetic structure of the quasi-one-dimensional compound Ba2CoS3, which contains linear 001] chains of vertex-sharing CoS4 tetrahedra, spaced apart by Ba2+ cations. At 1.5 K the Co2+ cations in the chains are antiferromagnetically ordered with an ordered magnetic moment of 1.97(4) μB per cation aligned along 100]. Each Co2+ cation is ferromagnetically aligned with four cation in neighbouring chains and antiferromagnetically aligned with two others. |
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| Keywords: | One-dimensional sulphides Neutron diffraction Magnetic structure |
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